From: Hannes Reinecke <hare@suse.de>
Date: Wed, 6 Feb 2013 13:42:28 +0000 (+0100)
Subject: target_core_rd: break out unterminated loop during copy
X-Git-Tag: v3.9-rc1~71^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbf344e54ed9a76e344d08feedc70ab2c5a8a64c;p=pandora-kernel.git

target_core_rd: break out unterminated loop during copy

The loop in rd_execute_rw() will never terminate if the
sg element has a zero size. Or it'll spill over into
outer space if the sg element is larger than the available
space.
So we need to add some safety catches here.

Cc: Nic Bellinger <nab@risingtidesystems.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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